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MB1B, 309 E with a serial number is a point of no return


I currently have sales order stock for material  A-101 and serial number being 1XCBD9 (Sap order 1000000)

Now I have transferred the sales order stock to material B-101 with a 309 E MB1B and the same serial number 1XCBD9 reflects in material document

I now want to return the sales stock back to material  "A-101" by cancelling the material document but it now throws an error as below

“Serial number 1XCBD9 already exists for material A-101

“Serial number cannot be used here”

Might help: The SAP sales order 1000000 is currently with material A-101 and cancelling material document with and without serial number 1XCBD9 assigned in the order did not work

The SAME serial number 1XCBD9 exists for both materials A-101 & B-101.

I know this has tricked SAP into some confusion but there is a way out, just need to know the sequence of steps.

I think serial number needs to be put into a particular status or it needs to be removed from the order then perform the reversal/cancelling

Need the delicate steps in a sequence


Former Member
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